火星应用激光二极管堆失效风险评估

EDFA Technical Articles Pub Date : 2019-05-01 DOI:10.31399/asm.edfa.2019-2.p022

Guillaume Thin, F. Bourcier, H. Moisan

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引用次数: 0

摘要

本文介绍了为火星好奇号火星车设计的1.8 kW激光二极管堆的鉴定过程。这个七小节的堆栈在安装在探测器前部的臂架式分光镜中充当光泵。每个激光棒由62个单发射器组成，可产生260瓦的瞬时光功率。给出了二极管堆的详细设计分析以及超应力测试和失效分析的结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Failure Risk Assessment of Laser Diode Stacks for a Martian Application

This article describes the qualification process for a 1.8 kW laser diode stack designed for the Mars Curiosity rover. The seven-bar stack serves as the optical pump in a boom-mounted spectroscope attached to the front of the rover. Each laser bar is made of 62 single emitters and generates 260 W of instantaneous optical power. A detailed design analysis of the diode stack is presented along with the results of overstress testing and failure analysis.

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EDFA Technical Articles

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